Two-part cylinder and die for ornamenting wood



- UNITED STATES Puma.

EDWARD W. ALLEIGH, OF MINNEAPOLIS, MINNESOTA.

I TWO-PART CYLINDER AND DIE FOR ORNAMENTING WOOD, 800.

' SPECIFICATION forming part of Letters Patent No.400,626, dated April 2, 1889.

Application filed August '7, 1888.

Serial No. 282,146. (No model.)

To all whom it may concern:

Be it known that I, EDWARD W. ALLEIGH, a citizen of the United States, and a resident of Minneapolis, county of Hennepin, and State of Minnesota, have invented new and useful Improvements in Two-Part Cylinders and.

Dies for Ornamenting Wood and other Oompressible Material, of which the following is a specification, reference being had to the anneXed drawings, making a part hereof, in which Figure 1 is a face View of a die before it is bent to fit the cylinder; Fig. 2, alongitudinal section thereof on dotted line 00. Fig. 3 is a perspective representation of the two-part cylinder and the die shown at Fig. 1 bent to fit its periphery and attached thereto; Fig. 4, a longitudinal central section of the cylinder on line .2, Fig. 3. l

This invention relates to an improvement in cylinders and dies for pressing ornaments in wood and other compressible material in imitation of carving.

It has been the custom. to construct twopart cylinders for the support of dies for imprinting wood so that each part of such cylinder would have a bearing on the same shaft, and to form an annular groove in the periphery of :the cylinder to engage a rib on the concave portion of the die. My invention differs from these former cylinders in that one part of my cylinder is provided with a hub, through which the shaft passes and on which the other part is placed to turn with the hub-bed cylinder, and not independent of it, as is the case where both parts of the cylinder have independent bearings on a common shaft.

It has been also the custom, as shown in printing-presses, particularly the one patented t0 R. M. Hoe on March 8, 1859, to. em-

ploy a series of segment printing-dies on the peripheries of cylinders. Therefore I do not claim a segment-die on a rotating cylinder irrespective of the construction herein described and claimed.

It is necessary in practice that the twopart cylinder and die with reference to themselves be absolutely rigid and turn on the shaft as one body. This I attain by a single hub, which serves as a bearing for both parts of the cylinder on the supporting-shaft.

It will be understood that two-part cylinders which can be separated Where internally-ribbed dies of a greater length than onehalf the circle are to be employed are a necessity, and that the smaller cylinders are less expensive and are better adapted for imprinting, in that less surface is presented to the wood in a given time.

G H represent one part of the two-part cylinder, and A the other part. The part H extends through the part A, as shown at Fig. 4, and through the part G H is formed a round smooth hole, whereby the cylinder is permitted to turn on a shaft, F, between the parts G, H,'and A, and in the periphery of the two parts is formed an annular groove, E, to engage a continuous or sectional rib, ff, &c., on the middle portion of the inside of the die B, to keep the die in line.

The end 0 of the die is provided with holes, through which a screw, D, Fig. 3, is put into each of the two parts of cylinder, and with the screw a, Fig. 4, hold the die and cyl inder together. The die B is cast flat in brass, with the desired figure thereon, and is then bent to fit the two-part cylinder, and when the die is to be replaced by another of a different pattern remove the screws D a, and separate the part A of the cylinder from the other part. From this it will be seen that the die is only fastened at one end, and therefore it cannot buckle when brought with suitable force in a heated state to make a permanent impression, and that itis because the cylinder is in two parts that a die nearly covering its periphery can be used and removed.

' I claim and desire to secure by Letters Patent of the United States In mechanism for ornamenting wood, a twopart cylinder consisting of the part G, provided with the hub H, and the part A, placed on the said hub, and the part G, with its hub H, provided with a continuous bearing for a supporting-shaft, and the periphery of the cylinder provided with an annular groove between said parts, in combination with a segment-die, B, provided with a rib engaging said groove and fastened at one end to the two-part cylinder, as specified and shown.

EDWARD W. ALLEIGH.

Witnesses:

G. L. CHAPIN, S. L. DAVIS. 

